Girish Ramakrishnan
c85c0558b9
one idea is just use express.raw() . however, we have to implement some file size limit there. one case this does not handle is aborted uploads from a box.service restart. for this rare case, a server reboot will clean up /tmp anyway.
52 lines
1.7 KiB
JavaScript
52 lines
1.7 KiB
JavaScript
/* jshint node:true */
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'use strict';
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const multiparty = require('multiparty'),
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safe = require('safetydance'),
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timeout = require('connect-timeout');
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function _mime(req) {
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const str = req.headers['content-type'] || '';
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return str.split(';')[0];
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}
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module.exports = function multipart(options) {
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return function (req, res, next) {
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if (_mime(req) !== 'multipart/form-data') return res.status(400).send('Invalid content-type. Expecting multipart');
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const form = new multiparty.Form({
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uploadDir: '/tmp',
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keepExtensions: true,
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maxFieldsSize: options.maxFieldsSize || (2 * 1024), // only field size, not files
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limit: options.limit || '8mb', // file sizes
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autoFiles: true // emit files instead of emitting 'part'
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});
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// increase timeout of file uploads by default to 3 mins
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if (req.clearTimeout) req.clearTimeout(); // clear any previous installed timeout middleware
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timeout(options.timeout || (3 * 60 * 1000))(req, res, function () {
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req.fields = {};
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req.files = {};
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form.parse(req, function (error, fields, files) {
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if (error) {
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for (const file in files) safe.fs.unlinkSync(file.path);
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return res.status(400).send('Error parsing request');
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}
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next(null);
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});
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form.on('file', function (name, file) {
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req.files[name] = file;
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});
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form.on('field', function (name, value) {
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req.fields[name] = value; // otherwise fields.name is an array
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});
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});
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};
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};
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